[urq] Brake 'Judder' fixed

Buchholz, Steven Steven.Buchholz at kla-tencor.com
Fri May 19 22:03:29 EDT 2006


... not a big surprise to those of us who are familiar with the Audi UFO brakes ... many folks have learned that the "Italian Tune Up" can often resolve issues with braking inconsistencies that even replacing rotor and pads does not ...

Heating the brakes up is the first part of the solution, but the second, and perhaps most important part is to stay off the binders while the brakes cool.  I only had to deal with this one time on my second V8Q ... I have I nice semi-rural road very close to my house ... after heating the brakes up I drove slowly and used the emergency brakes to get home ... 

Steve B
San José, CA (USA)
> 
> First of all thanks to all who replied with  suggestions, which made me
> think! I went back and re-read the StopTech articles  and decided that it was
> probably not the rotors at all especially as I had been  careful to clean off
> the
> mating surfaces before assembly. Like most of you  I have taken discs on and
> off on many cars without a problem and always like  everything to be
> 'spic-and-span'. Anyway, I just went out and did several  successive hard
> brakings, but
> not to zero, from the 50-60 mph range. Went out  again last night to try
> normal
> to hard braking from the 60-80mph range and the  judder has gone! Just shows
> that StopTech is correct when they urge that the  pads be bedded in properly
> by raising them to sufficiently high temperatures.  Guess I did not brake hard
> enough the first time.



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